Communicate

java.lang.Object
- org.jrd.backend.communication.Communicate

```
public class Communicate
extends java.lang.Object
```
This class opens a socket and contain methods for read and write to socket IS/OS.

Field Summary

Fields
Modifier and Type Field Description

private java.io.BufferedReader commInput

private java.io.BufferedWriter commOutput

private java.net.Socket commSocket

Constructor Summary

Constructors
Constructor Description

Communicate(java.lang.String host, int port)
Constructor creates a socket on given port and saves the streams into class variables.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`close()`	Closes a socket.
`void`	`println(java.lang.String line)`	Sends a line with request to agent.
`java.lang.String`	`readResponse()`	Method that reads agent's response.
`private java.lang.String`	`trimReadLine()`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - commSocket
```
private java.net.Socket commSocket
```
  - commInput
```
private java.io.BufferedReader commInput
```
  - commOutput
```
private java.io.BufferedWriter commOutput
```
- Constructor Detail
  - Communicate
```
public Communicate(java.lang.String host,
                   int port)
```
    Constructor creates a socket on given port and saves the streams into class variables.
    
    Parameters:
    
    host - host name
    
    port - port where we open the socket
- Method Detail
  - close
```
public void close()
```
    Closes a socket.
  - trimReadLine
```
private java.lang.String trimReadLine()
                               throws java.io.IOException
```
    Throws:
    
    java.io.IOException
  - readResponse
```
public java.lang.String readResponse()
```
    Method that reads agent's response.
    
    Returns:
    
    "ERROR" in case of fail or corresponding bytes or class names
  - println
```
public void println(java.lang.String line)
             throws java.io.IOException
```
    Sends a line with request to agent.
    
    Parameters:
    
    line - "CLASSES" or "BYTES className"
    
    Throws:
    
    java.io.IOException - if the write operation fails